Mass Transfer When the temperature and humidity of air is low, we usually use __________ draft cooling tower. None of these Forced Natural Induced None of these Forced Natural Induced ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The mass diffusivity, the thermal diffusivity and the eddy momentum diffusivity are same for, NPr = NSc = __________ 4 3 2 1 4 3 2 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer During constant rate period, the rate of drying decreases with the Both A & B Decrease in air temperature Increase in air humidity Neither A nor B Both A & B Decrease in air temperature Increase in air humidity Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Mass transfer co-efficient is directly proportional to DAB0.5, according to __________ theory. Penetration Surface renewal None of these Film Penetration Surface renewal None of these Film ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Overall efficiency of the distillation column is The ratio of number of actual plates to ideal plates Always more than the point efficiency Same as the Murphree efficiency The ratio of number of ideal plates to actual plates The ratio of number of actual plates to ideal plates Always more than the point efficiency Same as the Murphree efficiency The ratio of number of ideal plates to actual plates ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following parameters remains constant during chemical dehumidifica-tion? Wet bulb temperature Partial pressure of vapour None of these Dry bulb temperature Wet bulb temperature Partial pressure of vapour None of these Dry bulb temperature ANSWER DOWNLOAD EXAMIANS APP